One mole of an ideal gas at 25 °C is allowed to expand adiabatically and reversibly from 1 dm3 to 10 dm3 against an external pressure of 1 bar. Calculate ΔS for the gas, ΔS for the surroundings, and the net ΔS.

Q: At 25°C the molar volume of water V is given by: V = 18.066 – 7.15 X 10-4 P + 4.6 X 10-8 P 2 ,…

A:

Q: Consider the following reaction: 4 NH3(g) + 5 O2(g) = 6 H20(g) + 4 NO(g) Calculate AG at 547 K for a…

A:

Q: Calculate the change in entropy of the gas when 4.00 g nitrogen is allowed to expand isothermally…

A:

Q: Given the following values for the changes in enthalpy (∆H) and entropy (∆S), which of the following…

A: According to the second law of thermodynamics, a process will be feasible if change of entropy (∆S)…

Q: 7) This question pertains to relating entropy to other thermodynamic variables. a. 1 mol of an ideal…

A: a) workdone = -nRT P1/P2                   = - 1 × 8.314 × 298 × 10/1      q = w   = 24775 Joules…

Q: Compute the standard entropy change for the following reaction: 3N2H4(I) + 403(g) → 6NO(g) + 6H20(1)…

A: Calculate the entropy change of the given reaction---

Q: Half a mole of an ideal gas expands isothermally and reversibly at 298.15 K from a volume of 10 L to…

A: Here we have to determine ∆Ssys , ∆S sur, ∆S univ and work done in the following given thermodynamic…

Q: For the isothermal expansion of a gas into a vacuum,ΔE = 0, q = 0, and w = 0. (a) Is this a…

A: (a) The spontaneous process is the process which starts on its own or initiate without any external…

Q: Calculate the change in entropy associated with the Haber process to produce ammonia from nitrogen…

A: N2 (g)+3H2 (g)⇌2NH3(g) So(H2) = 130.6 J/mol K So(N2) = 191.50 J/mol K So(NH3) = 192.5 J/mol K

Q: How absolute values of standard molar entropies (S8) can be obtained because the third law of…

A: The degree of randomness in a system is measured in terms of entropy. The higher the entropy greater…

Q: Which of the following has the largest standard molar entropy, S° (298.15 K)? О а. Н2 (g) O b. NaCI…

A: Answer  The substance in gases state has higher entropy compared to…

Q: Which of the following is expected to have the highest standard molar entropy at 298.15 K? O C3H8…

A:

Q: starting from the definition of Gibbs Free Energy, the 1st law of thermodynamics, the 2nd law of…

A: To derive the criteria for spontaneity for Gibbs free energy.

Q: When 10 J of energy is transferred reversibly and isothermally. Calculate the change in entropy at…

A:

Q: The change in the entropy of the surroundings is found by klnW O A G/ T Ο -ΔΗΓ O - AG/ T

A: The change in the entropy of the surroundings is found by

Q: Which of the following compounds has the largest standard molar entropy, Sᵒ (298.15 K O a. C…

A: Multiple choice question is given here.

Q: The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a…

A: Given data: The number of moles of ideal gas n = 2 moles. Initial volume V1 = 10 dm3. Final volume…

Q: What is the absolute entropy of Chlorine gas at 150 K? Use Cp= 0.48 J/g-K.

A: Cp =0.48J/g/K       = 0.48 × 35.5 J/mol/K        = 17.04J/mol/K  S = CplnT    =17.04 × ln 150…

Q: Choose the compound with the smallest standard molar entropy, S° (298.15 K). A) H2O (l) B) H2O (g)…

A: Entropy is the measure of disorder of molecules in a system. More the randomness, more will be the…

Q: 4. Calculate the change in entropy if 3 moles of a gas undergo an isothermal, reversible expansion…

A: Entropy is a measure of randomness of system due to excess of energy in it  In isothermal condition…

Q: Calculate the change in entropy when 15.9 grams of argon (Ar) undergo isothermal compression from…

A:

Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

A: Here, since 00C is given for temperature, I consider it as 0oC and 1000C as 100oC That is…

Q: For the chemical reaction Al203(s) + 3H2(g,p= 1 bar) → 2Al(s) + 3H2O(1) at T = 298 K, answer each of…

A:

Q: At 25°C the molar volume of water V is given by: V = 18.066 – 7.15 X 104 P + 4.6 X 108 P², where V…

A:

Q: CALCULATE THE CHANGE OF ENTROPY OF GAS WHEN 16.08g of N2 nitrogen expands isothermally from 0.82L to…

A: Given information, Mass of nitrogen (m) = 16.08 g Temperature (T) = 290.7 K Initial Volume (V1) =…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: To calculate standard reaction entropy, we have to subtract the standard entropy of reactants from…

Q: H.W) when a certain freon used in refrigeration was expanded adiabatically from an initial pressure…

A: Calculate jule Thomson coefficient

Q: Calculate the change in entropy associated with the Haber process to produce ammonia from nitrogen…

A: Given,the reaction is. N2(g) + 3H2(g) <--------> 2NH3 We have to calculate change in entropy.

Q: A-3.3. The aluminum block weighing 1.25 kg was cooled under constant pressure from the temperature…

A:

Q: entropy

A:

Q: Calculate the standard entropy change for the following reaction at 25°C. CH,(g) + 2 O2(g)→ CO2(g)…

A:

Q: Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. 1. Calculate the entropy change…

A:

Q: Calculate the change in entropy when 5.37 grams of helium (He) undergo isothermal expansion from…

A: Given data: Grams of Helium = 5.37 g. Initial volume Vi = 2.72 mL Final volume Vf = 975 mL. To…

Q: For 2 moles of an ideal gas undergoing an isothermal expansion from 4 litres to 10 litres in volume,…

A: Option D is the correct answer in this given question  Solution is given below in next step in jpeg…

Q: How does the standard entropy of a substance depend on its molar mass? On its molecular complexity?

A: Entropy is a thermodynamic property, which is the measure of randomness of a system. Entropy of the…

Q: Calculate the entropy change associated with the isothermal compression of 0.720 mol of an ideal gas…

A: here the concept is entropy and given the condition is isothermal; compression ' so T=0, Constants…

Q: Two moles of an ideal gas initially at 250 K are compressed reversibly and adiabatically until its…

A: Given: moles (n) = 2 Initial temperature (T1) = 250 K Final temperature (T2) = 300 K CV = 27.5 J K–1…

Q: Calculate the molar heat capacity (Cpm ) of Magnesium chloride if the change in entropy is 0.264 J/K…

A: Assuming that the molar heat capacity (Cpm ) of  Magnesium chloride is constant over temperature…

Q: Half a mole of an ideal gas expands isothermally and reversibly at 273.15 K from a volume of 22 L to…

A:

Q: Calculate the change in molar entropy when a sample of nitrogen gas expands isothermally from 1.0…

A: Initial volume, V1 = 1.0 dm3 Final volume, V2 = 5.5 dm3 At isothermal conditions, change in…

Q: Calculate the standard entropy change for the combustion of methanol, CH3OH:…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: What is the difference in entropy between 25 g of N2 at standard conditions and 25 g of N2 at 400 °C…

A: The measure of disorderness in a thermodynamic system is called entropy. The entropy change is given…

Q: 5. When 2.00 mol of an ideal gas at 330K and 3.50 atm are compressed isothermally to some pressure…

A: Given, No. of moles = 2 Temperature = 330 K Initial pressure = 3.50 atm Entropy = -25.0 J/K…

Q: All of the following are not state functions EXCEPT Group of answer choices w q P S   2.According to…

A: State functions are the properties that depend  only on the state of the system in that moment. It…

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

Q: What is the difference in entropy between 1 mole of N2 at standard conditions and 1 mole of N2 at…

A: Given, Cp=52R and it is mentioned that the Nitrogen gas is taken at standard condition. Therefore,…

Q: the molar entropy of ammonia, NH_3 (g) at 25deg cel is 192.5 J/mol*k. Estimate the number of micro…

A: The standard molar entropy of ammonia gas is 192.5 J/mol.K. One mol of ammonia gas contains 6.022 x…

Q: Calculate the change in the molar entropy of solid sodium chloride at constant pressure (1.00 bar)…

A: The solution of the question is given below: